箱式變電站的工作使用電流包括直流電與交流電兩種，由于變電箱的不同的工作場景和工作內容之間有一定的差異，所以我們在使用這兩種電流時會根據具體的工作情況來進行選擇。直流電：電壓方向不變，優質高低壓開關柜電壓幅度是可以變化的，只要方向不變就是直流電。交流電：電壓方向不斷變化的。直流電和交流電的根本區別就是電壓的方向。而電容和電感對電壓方向不同的性質令直流和交流在很多方面都有了區別。以箱式變電站電能傳送為例。高低壓開關柜哪里好輸電(dian)(dian)(dian)線(xian)路達(da)到一定長(chang)度后(hou)，其與大地(di)之(zhi)間的(de)電(dian)(dian)(dian)容已經(jing)不(bu)能忽略（當(dang)然也有(you)電(dian)(dian)(dian)感(gan)但還可不(bu)計）當(dang)導線(xian)通如(ru)交(jiao)(jiao)流(liu)(liu)后(hou)就(jiu)(jiu)相當(dang)與導線(xian)與大地(di)之(zhi)間有(you)電(dian)(dian)(dian)流(liu)(liu)通過（就(jiu)(jiu)是漏(lou)電(dian)(dian)(dian)）所以損耗較大。而改(gai)為直(zhi)流(liu)(liu)的(de)話，就(jiu)(jiu)不(bu)用考(kao)慮(lv)電(dian)(dian)(dian)容了。當(dang)然直(zhi)流(liu)(liu)輸電(dian)(dian)(dian)時(shi)電(dian)(dian)(dian)壓的(de)升降沒交(jiao)(jiao)流(liu)(liu)方便，這是直(zhi)流(liu)(liu)的(de)缺點。

作為一家高低壓開關柜來說經常會接一些詢價電話，來詢問高低壓配電柜價格是多少的，一般都是有圖紙發過來，這樣就好說可以按圖報價。但有一部分說沒有圖紙會讓口頭報個價格，或者是給個大約的價格，優質高低壓開關柜可是這個大約的價格真有些讓人為驗，幾萬甚至幾十萬都可以配置如何給大約價格呢?其實這些人一般來說對高低壓配電配電的配置不太了解，所以會這樣問，其實高低壓配電柜價格是多少是按照圖紙來進行核算的，不同的配置而造成高低壓配電柜價格不同，每一個配件選用的品牌不同了決定了高低壓配電柜價格的不同，如果你全部選用進口配件的價格，高低壓開關柜哪里好那么對全部選用國(guo)產的(de)(de)價(jia)格肯定要高到3-5倍都(dou)有可能。如果(guo)部分(fen)選擇進口那么就又是(shi)一種(zhong)價(jia)格了，所以來問(wen)高低(di)壓(ya)配電柜(ju)價(jia)格的(de)(de)主估個(ge)價(jia)格著實有些為難，最好的(de)(de)還(huan)是(shi)提(ti)供圖紙按圖紙來報價(jia)是(shi)最為準確的(de)(de)。

箱式變電站作為目前廣泛使用的變電站，其經過長時間的工作需要消耗大量的電能導致效率降低，現在開發出來的無功補償技術可以省去無用功率，從而降低能耗提高效率。電網輸出的功率包括兩部分：優質高低壓開關柜一是有功功率；二是無功功率。直接消耗電能，把箱式變電站中的電能轉變為機械能、熱能、化學能或聲能，利用這些能作功，這部分功率稱為有功功率；不消耗電能，只是把電能轉換為另一種形式的能，這種能作為箱式變電站能夠作功的條件，并且這種能是在電網中與電能進行周期性轉換，這部分功率稱為無功功率。高低壓開關柜哪里好如電(dian)(dian)(dian)(dian)(dian)磁(ci)元(yuan)(yuan)件(jian)(jian)建立磁(ci)場占用的(de)電(dian)(dian)(dian)(dian)(dian)能(neng)，電(dian)(dian)(dian)(dian)(dian)容(rong)器(qi)建立電(dian)(dian)(dian)(dian)(dian)場所占的(de)電(dian)(dian)(dian)(dian)(dian)能(neng)，電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)在電(dian)(dian)(dian)(dian)(dian)感元(yuan)(yuan)件(jian)(jian)中作(zuo)功時，電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)滯后(hou)于(yu)電(dian)(dian)(dian)(dian)(dian)壓(ya)90°。而(er)電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)在電(dian)(dian)(dian)(dian)(dian)容(rong)元(yuan)(yuan)件(jian)(jian)中作(zuo)功時，電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)超前(qian)電(dian)(dian)(dian)(dian)(dian)壓(ya)90°。在同一電(dian)(dian)(dian)(dian)(dian)路中，電(dian)(dian)(dian)(dian)(dian)感電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)與電(dian)(dian)(dian)(dian)(dian)容(rong)電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)方向相反，互差180°。如果(guo)在箱式變電(dian)(dian)(dian)(dian)(dian)站電(dian)(dian)(dian)(dian)(dian)磁(ci)元(yuan)(yuan)件(jian)(jian)電(dian)(dian)(dian)(dian)(dian)路中有比(bi)例(li)地安裝電(dian)(dian)(dian)(dian)(dian)容(rong)元(yuan)(yuan)件(jian)(jian)，使兩者的(de)電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)相互抵消，使電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)的(de)矢(shi)量(liang)與電(dian)(dian)(dian)(dian)(dian)壓(ya)矢(shi)量(liang)之間(jian)的(de)夾角(jiao)縮(suo)小(xiao)。

箱式變電站在電力行業應用廣泛，可以為小區、工廠企業等發電，由于其結構復雜，并且工作時間長，在使用過程中難免會出現故障，這就需要我們針對不同故障，想出解決方法。一、箱式變電站控制開關故障或電路開路：優質高低壓開關柜控制開關損壞使電路不能閉合及控制回路斷線造成開路時，故障表現形式都是電機不轉、電機兩端沒有電壓。查找方法是用萬用表測量電壓或電阻。測量電壓法是控制電路通電情況下，萬用表調到電壓檔，如果有電壓（降壓元件除外）被測兩點間有開路點。用測量電阻法應當注意旁路的通斷，高低壓開關柜哪里好如果(guo)有(you)旁路并聯電(dian)(dian)(dian)(dian)(dian)路，應將被測(ce)線(xian)路一端(duan)斷(duan)開。二(er)、箱式變電(dian)(dian)(dian)(dian)(dian)站電(dian)(dian)(dian)(dian)(dian)機(ji)故(gu)(gu)障：如果(guo)電(dian)(dian)(dian)(dian)(dian)機(ji)繞(rao)組燒毀，將有(you)異味、冒煙(yan)、保(bao)險熔斷(duan)等現象發生。如果(guo)電(dian)(dian)(dian)(dian)(dian)機(ji)兩(liang)端(duan)有(you)電(dian)(dian)(dian)(dian)(dian)壓，電(dian)(dian)(dian)(dian)(dian)機(ji)不(bu)轉。可能是(shi)碳刷(shua)脫落(luo)或磨損(sun)嚴(yan)重等故(gu)(gu)障。判斷(duan)是(shi)否(fou)是(shi)電(dian)(dian)(dian)(dian)(dian)機(ji)故(gu)(gu)障的方(fang)法有(you)測(ce)量電(dian)(dian)(dian)(dian)(dian)機(ji)兩(liang)端(duan)電(dian)(dian)(dian)(dian)(dian)壓、電(dian)(dian)(dian)(dian)(dian)阻或用其它(ta)好的電(dian)(dian)(dian)(dian)(dian)機(ji)替換進行檢(jian)查。

箱式變電站在使用過程中適當增加電壓可以提高其工作效率，但是，凡事講究一個度，過猶不及。優質高低壓開關柜過電壓不僅不會提高其工作效率，還會給設備帶來一定程度的損壞。電網中產生的幾種過電壓，對箱式變電站絕緣和保護裝置產生影響的，主要取決于過電壓的波形。①在過電壓對箱式變電站造成損壞的事故中，雷電過電壓導致絕緣擊穿損壞的機率較大。當電網遭受雷擊時，在線路導線上會產生一種振幅很大，作用時間很短的非周期性脈沖電壓波，它以光速沿線傳輸，先在線路避雷器放電，余波經箱變入地，高低壓開關柜哪里好當余波經其(qi)保(bao)護(hu)的避雷(lei)器時，將產生電(dian)壓(ya)(ya)降（殘(can)(can)壓(ya)(ya)）而作(zuo)用在設備上(shang)。假如(ru)箱變與避雷(lei)器之間存在一定電(dian)氣距(ju)離(li)，殘(can)(can)壓(ya)(ya)在進入(ru)前(qian)會(hui)在這(zhe)段距(ju)離(li)的導線振蕩(dang)而導致(zhi)電(dian)壓(ya)(ya)的升高(gao)，造成加(jia)在電(dian)壓(ya)(ya)高(gao)于殘(can)(can)壓(ya)(ya)，從(cong)而對絕(jue)緣安全造成威脅。所以在為其(qi)安裝保(bao)護(hu)避雷(lei)器時，應(ying)盡量實現(xian)避雷(lei)器和(he)箱變保(bao)持較小距(ju)離(li)。